Tuesday, October 21, 2014

Magnitude 3.2 Earthquake of Medford, Oklahoma 2014-10-21

2014-10-21 00:46:17 UTC :Medford, Oklahoma EARTHQUAKE

earthquake monitor,Oklahoma earthquake, earthquake realtime

Magnitude : 3.2

Event Time: Time and Date Starting of Earthquake Rupture 

  1. 2014-10-21 00:46:17 UTC

  1. 2014-10-20 19:46:17 UTC-05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

36.722°N 97.875°W

Depth : Depth of starting Rupture 

7.7km (4.8mi)

Region : Medford, Oklahoma

Magnitude 3.2 Earthquake of Medford, Oklahoma 2014-10-21

Directions and Distances :Directions and Distances from Geographical Reference in Close Proximity Which can be effected by Location Uncertainty

a)  15km (9mi) SW of Medford, Oklahoma

b)  36km (22mi) N of Enid, Oklahoma

c)  70km (43mi) W of Ponca City, Oklahoma

83km (52mi) WSW of Arkansas City, Kansas

e)  142km (88mi) NNW of Oklahoma City, Oklahoma

Location Uncertainty: 
3.2 mb_lg
± 0.06
36.722°N, 97.875°W--
7.7 km
± 6.6 km
Number of Phase Applied1

Minimum Distance2
25.9 km (0.23°)

Travel Time Residual3
0.35 sec

Azimuthal Gap4

1Number of phase Applied: 
In determining location of hypocenter, applied number of observations on P waves and S waves. The greater the more accurate prediction of EQ.

2Minimum Distance:
 Horizontal distance of nearest Station measured in Km from epicenter. The smaller the more accuracy in prediction of depth of EQ.

3Travel Time Residual:
 A way of measurement of fit of arrival time observed to arrival time predicted for particular location. The smaller the better fit of data.

4Azimuthal Gap: 
Expressed in degree; the smaller the smaller the error in horizontal positioning of EQ. Large uncertainty is considered when exceeds 180° (both depth and location)

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